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公开(公告)号：US11958112B2
公开(公告)日：2024-04-16
申请号：US17356627
申请日：2021-06-24
Applicant: XEROX CORPORATION
Inventor： Robert R. Price , Raja Bala , Svyatoslav Korneev , Christoforos Somarakis , Matthew Shreve , Adrian Lew , Palghat Ramesh
IPC: B22F10/80 , B22D23/00 , B22F10/22 , B22F12/90 , B33Y30/00 , B33Y50/00 , G05B13/02 , G05B13/04 , G06F18/214 , G06K15/02 , G06T7/00 , G06T7/64 , G06T17/00 , G06V20/20 , G06V20/64
CPC classification number: B22F10/80 , B22D23/003 , B22F10/22 , B22F12/90 , B33Y30/00 , B33Y50/00 , G05B13/027 , G05B13/042 , G06F18/214 , G06K15/028 , G06T7/0004 , G06T7/64 , G06T17/00 , G06V20/20 , G06V20/64 , G06T2207/10016 , G06T2207/30136 , G06T2207/30144
Abstract: A three-dimensional (3D) printer includes a nozzle and a camera configured to capture a real image or a real video of a liquid metal while the liquid metal is positioned at least partially within the nozzle. The 3D printer also includes a computing system configured to perform operations. The operations include generating a model of the liquid metal positioned at least partially within the nozzle. The operations also include generating a simulated image or a simulated video of the liquid metal positioned at least partially within the nozzle based at least partially upon the model. The operations also include generating a labeled dataset that comprises the simulated image or the simulated video and a first set of parameters. The operations also include reconstructing the liquid metal in the real image or the real video based at least partially upon the labeled dataset.
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Patent Agency Ranking
12.发明授权公开(公告)号：US11808680B2
公开(公告)日：2023-11-07
申请号：US17332445
申请日：2021-05-27
Applicant: XEROX CORPORATION
Inventor： Vijay Kumar Baikampady Gopalkrishna , Raja Bala , Palghat Ramesh , David Allen Mantell , Peter Michael Gulvin , Mark A. Cellura
CPC classification number: G01N15/0227 , B22F10/31 , B22F10/85 , B22F12/90 , B33Y10/00 , B33Y40/00 , B33Y50/02
Abstract: A method includes illuminating a drop with a pulse of light from a light source. A duration of the pulse of light is from about 0.0001 seconds to about 0.1 seconds. The method also includes capturing an image, video, or both of the drop. The method also includes detecting the drop in the image, the video, or both. The method also includes characterizing the drop after the drop is detected. Characterizing the drop includes determining a size of the drop, a location of the drop, or both in the image, the video, or both.
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公开(公告)号：US11760000B2
公开(公告)日：2023-09-19
申请号：US17314933
申请日：2021-05-07
Applicant: XEROX CORPORATION
Inventor： Raja Bala , Vijay Kumar Baikampady Gopalkrishna , Palghat Ramesh , David Allen Mantell , Peter Michael Gulvin , Mark A. Cellura
IPC: B33Y50/02 , B29C64/112 , G06T7/00 , B29C64/209 , G06T7/64 , B29C64/393 , B33Y10/00
CPC classification number: B29C64/112 , B29C64/209 , B29C64/393 , G06T7/0004 , G06T7/64 , B33Y10/00 , B33Y50/02 , G06T2207/30144
Abstract: A method includes capturing a video of a plurality of drops being jetted through a nozzle of a printer. The method also includes measuring a signal proximate to the nozzle based at least partially upon the video. The method also includes determining one or more metrics that characterize a behavior of the drops based at least partially upon the signal.
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14.发明申请公开(公告)号：US20220381666A1
公开(公告)日：2022-12-01
申请号：US17332445
申请日：2021-05-27
Applicant: PALO ALTO RESEARCH CENTER INCORPORATED , XEROX CORPORATION
Inventor： Vijay Kumar Baikampady Gopalkrishna , Raja Bala , Palghat Ramesh , David Allen Mantell , Peter Michael Gulvin , Mark A. Cellura
Abstract: A method includes illuminating a drop with a pulse of light from a light source. A duration of the pulse of light is from about 0.0001 seconds to about 0.1 seconds. The method also includes capturing an image, video, or both of the drop. The method also includes detecting the drop in the image, the video, or both. The method also includes characterizing the drop after the drop is detected. Characterizing the drop includes determining a size of the drop, a location of the drop, or both in the image, the video, or both.
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公开(公告)号：US10068146B2
公开(公告)日：2018-09-04
申请号：US15052941
申请日：2016-02-25
Applicant: Xerox Corporation
Inventor： Orhan Bulan , Palghat Ramesh , Vladimir Kozitsky
Abstract: A detection-based segmentation-free method and system for license plate recognition. An image of a vehicle is initially captured utilizing an image-capturing unit. A license plate region is located in the image of the vehicle. A set of characters can then be detected in the license plate region and a geometry correction performed based on a location of the set of characters detected in the license plate region. An operation for sweeping an OCR across the license plate region can be performed to infer characters with respect to the set of characters and locations of the characters utilizing a hidden Markov model and leveraging anchored digit/character locations.
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公开(公告)号：US20170249524A1
公开(公告)日：2017-08-31
申请号：US15052941
申请日：2016-02-25
Applicant: Xerox Corporation
Inventor： Orhan Bulan , Palghat Ramesh , Vladimir Kozitsky
CPC classification number: G06K9/325 , G06K9/00771 , G06K9/3208 , G06K9/6265 , G06K9/6297 , G06K2209/01 , G06K2209/15
Abstract: A detection-based segmentation-free method and system for license plate recognition. An image of a vehicle is initially captured utilizing an image-capturing unit. A license plate region is located in the image of the vehicle. A set of characters can then be detected in the license plate region and a geometry correction performed based on a location of the set of characters detected in the license plate region. An operation for sweeping an OCR across the license plate region can be performed to infer characters with respect to the set of characters and locations of the characters utilizing a hidden Markov model and leveraging anchored digit/character locations.
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